DOSSIER · 13F Holders · Q3 2026

ACADIA HEALTHCARE COMPANY IN

4 institutions still hold ACADIA HEALTHCARE COMPANY IN as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00404A909·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$3M
visible holders
Holders
4
filers reporting
Concentration
34.87%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported ACADIA HEALTHCARE COMPANY IN in Q3 2026. IMC-Chicago, LLC leads at 34.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$979K36K0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$960K35K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$869K32K0.00%Q3 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025